Apple performa 400 series Service Manual
Specifications
Memory - 3
Memory
DRAM
Performa 400/405/410/430: 4 MB standard, expandable to 10
MB (100 ns or faster SIMMs)
Performa 450: 4 MB standard, expandable to 36 MB (80 ns or
faster SIMMs)
ROM
Performa 460/466/467: 4 MB standard, expandable to 36 MB
(80 ns or faster SIMMs)
Performa 475/476: 4 MB or 8 MB standard, expandable to 36
MB (80 ns or faster SIMMs)
Performa 400/405/410/430: 512 K
Performa 450/460/466/467/475/476: 1MB